Bump black from 22.6.0 to 22.8.0

Bumps [black](https://github.com/psf/black) from 22.6.0 to 22.8.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@22.6.0...22.8.0)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -35,7 +35,7 @@ isort = "^5.7.0"
 mypy = "^0.971"
 pytest = "^7.0.1"
 tox = "^3.25.1"
-black = "^22.6"
+black = "^22.8"
 pytest-cov = "^3.0.0"
 pytest-mock = "^3.6.1"
 types-dataclasses = "^0.6.6"